Home / 51,508.68-71,076.10-28,844.52

Finding the Fourth Proportional to 51,508.68, 71,076.10 and 28,844.52

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Solution

The fourth proportional to 51,508.68, 71,076.10 and 28,844.52 is: 39,802.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,508.68 : 71,076.10 = 28,844.52 : x
  2. Step 2: Convert to fraction form
    51,508.68/71,076.10 = 28,844.52/x
  3. Step 3: Cross multiply
    51,508.68x = 71,076.10 × 28,844.52
  4. Step 4: Simplify right side
    51,508.68x = 2,050,155,987.97
  5. Step 5: Solve for x
    x = 2,050,155,987.97/51,508.68
  6. Step 6: Final answer
    x = 39,802.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.